- Merge the 3 CalculationResultStyle(S|M|L) in App.xaml
- Only modify CalculationResult::*FontSize in Calculator.xaml instead of fully updating the style of the control.
- Create a new property MaxFontSize in order to be able to update it without being forced to fully update the Style (because m_startingFontSize was set in OnApplyTemplate)
- Modify how DisplayMargin is managed to prevent the textblock Margin to shift when we update its value (without fully updating the Style).